A micro-transfer printed high efficiency flexible photovoltaic panel

Semprius micro transfer-prints small high efficiency solarcells to produce very low weight, flexible, and weatherized solar panels. The micro-cell design is based on a conventional lattice matched GaInP/GaAs dual junction cell epitaxially grown over a sacrificial release layer suitable for post-rele...

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Bibliographic Details
Published in2011 37th IEEE Photovoltaic Specialists Conference pp. 001543 - 001547
Main Authors Bukovnik, R., Menard, E., Meitl, M., Bonafede, S., McNeill, R., Wagner, W., Seel, S., Burroughs, S.
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.06.2011
Subjects
Arrays
Laminates
Polyimides
Printing
Substrates
Temperature dependence
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Summary:Semprius micro transfer-prints small high efficiency solarcells to produce very low weight, flexible, and weatherized solar panels. The micro-cell design is based on a conventional lattice matched GaInP/GaAs dual junction cell epitaxially grown over a sacrificial release layer suitable for post-release transfer-printing. Solar panels with 12.8% efficiency and 280 W/Kg specific power have been fabricated. We anticipate higher performance panels with specific power over 500 W/Kg can be achieved by printing higher efficiency three junction solar cells, optimizing the cell size and process improvements to reduce lamination thickness.
ISBN:9781424499663
1424499666
ISSN:0160-8371
DOI:10.1109/PVSC.2011.6186254